code: def test_get_numbers_from_tokens_works_for_arabic_numerals(self):
      tokens = [Token(x) for x in ["7", "1.0", "-20"]]
      numbers = TableQuestionKnowledgeGraph._get_numbers_from_tokens(
          tokens
      )
      assert numbers == [("7", "7"), ("1.000", "1.0"), ("-20", "-20")]
  
imports: from __future__ import absolute_import
  from allennlp.common.testing import AllenNlpTestCase
  from allennlp.data import Token
  from allennlp.semparse.contexts import TableQuestionKnowledgeGraph
label_desc: Use image node_id 18 for calling the TestTableQuestionKnowledgeGraph obj's underlying member method code with example usage: obj.test_get_numbers_from_tokens_works_for_arabic_numerals() without return types